<!--
 * @Descripttion: 
 * @version: 
 * @Author: 淏
 * @Date: 2023-12-03 18:57:50
 * @LastEditors: 淏
 * @LastEditTime: 2023-12-03 18:58:15
-->
<template>
  <div :id="id" :class="className" :style="{ height: height, width: width }" />
</template>

<script>
  import tdTheme from './theme.json' // 引入默认主题

  export default {
    name: 'echart',
    props: {
      className: {
        type: String,
        default: 'chart',
      },
      id: {
        type: String,
        default: 'chart',
      },
      width: {
        type: String,
        default: '100%',
      },
      height: {
        type: String,
        default: '2.5rem',
      },
      options: {
        type: Object,
        default: () => ({}),
      },
    },
    data() {
      return {
        chart: null,
      }
    },
    watch: {
      options: {
        handler(options) {
          // 设置true清空echart缓存
          this.chart.setOption(options, true)
        },
        deep: true,
      },
    },
    mounted() {
      this.$echarts.registerTheme('tdTheme', tdTheme) // 覆盖默认主题
      this.initChart()
    },
    beforeDestroy() {
      this.chart.dispose()
      this.chart = null
    },
    methods: {
      initChart() {
        // 初始化echart
        this.chart = this.$echarts.init(this.$el, 'tdTheme')
        this.chart.setOption(this.options, true)
      },
    },
  }
</script>

<style></style>
